If the two prallel bases of a trapezium are 6 cm , 12 cm and its area is 144 cm2 then its hieght is?

If the two prallel bases of a trapezium are 6 cm , 12 cm and its area is 144 cm2 then its hieght is ......cm

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1 Answer

area= 2/(6cm+12cm)h

height=6cm+12cm=18cm*2=36cm

=144cm2/36cm=4cm
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